Home / 91,555.83-126,347.03-50,722.61

Finding the Fourth Proportional to 91,555.83, 126,347.03 and 50,722.61

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Solution

The fourth proportional to 91,555.83, 126,347.03 and 50,722.61 is: 69,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,555.83 : 126,347.03 = 50,722.61 : x
  2. Step 2: Convert to fraction form
    91,555.83/126,347.03 = 50,722.61/x
  3. Step 3: Cross multiply
    91,555.83x = 126,347.03 × 50,722.61
  4. Step 4: Simplify right side
    91,555.83x = 6,408,650,873.74
  5. Step 5: Solve for x
    x = 6,408,650,873.74/91,555.83
  6. Step 6: Final answer
    x = 69,997.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.